Answer:
a
Step-by-step explanation:
I think so..
45+5.25n>108
-45 -45
————————
5.25n > 63
Divide both sides by 5.25
n>12
25x^2 = 16
divide each side by 25
x^2 = 16/25
take the square root of each side
sqrt (x^2) = +- sqrt(16/25)
x = +- sqrt(16)/sqrt(25)
x = +- 4/5
x = 4/5, - 4/5
Answer:
2^2×20
Step-by-step explanation:
2^2×20
because 2×20=40
so, 2^2×20=2^40
